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I’m developing a universal, plastic cap that slips onto the mouth of most squeeze-tubes and recovers up to 99 % of the product left inside. The design relies on a small piston housed in a vacuum chamber; a fingertip-sized button on top pulls air out, drawing the contents toward the nozzle so virtually nothing is wasted. Plastic is the chosen material because it keeps tooling costs down and supports high-volume injection molding, yet still lets us integrate the moving piston, seal, and one-way valve in a single part. I’d like your help turning the concept sketches into production-ready CAD, complete with tolerances, assembly notes, and bill of materials. SolidWorks, Fusion 360, or similar parametric software is ideal, as I’ll need native files plus STEP/IGES exports for manufacturers. Key goals • A snug, leak-free fit on common threaded and snap-on tube necks (diameters will be provided once the core geometry is locked). • A low-force button action that reliably creates vacuum without requiring the user to vent the chamber manually. • Design for injection molding: uniform wall thickness, draft angles, gate/runner suggestions, and minimal part count. • Prototype guidance: recommended resins, seal materials, and any off-the-shelf valve components if they simplify tooling. Acceptance criteria 1. Complete 3D model pack (native + STEP). 2. Exploded view with BOM and materials call-outs. 3. Basic FEA or hand calculations showing the piston/button will withstand typical finger pressure. 4. Manufacturing notes confirming the part can be molded on standard single-cavity tooling without complex slides. If you have experience in consumer packaging, vacuum mechanisms, or similar dispensing solutions, let’s talk timelines and iterations so we can push this cap toward pilot production quickly.
Project ID: 40459303
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9 freelancers are bidding on average ₹1,206 INR for this job

With a decade of experience in Mechanical Engineering, I've established myself as an expert in diverse industries, including Food & Beverages and Oil & Gas. Consequently, I’ve gained crucial insights into designing effective solutions for fluid management, precisely the fluid dynamics at play in your project. My deep proficiency in Solidworks (CSWP certified) and Creo will ensure the creation of a comprehensive 3D model pack complete with the thoroughness you require, including FEA and basic calculations guaranteeing finger pressure requirements are met. Over the years, I've successfully executed many injection molded plastic part projects that involved uniform wall thickness, draft angles, gate/runner suggestions, and minimal part count - matching perfectly to your project's expectation. This experience equips me to guide the design to ease injection molding while ensuring the final product is aligned with your tolerance specifications. Plus, my understanding of manufacturing processes enables me to create designs that can produce on standard single-cavity tooling without complex slides. Choosing me means you're getting not just a designer but a strategic partner committed to delivering high-quality results tailored to your specific needs. So with your valuable insights and my expertise, we'll be able to create a design that is highly functional on common threaded and snap-on tube necks. Let’s make this squeeze-tube cap invention a reality together!
₹1,500 INR in 2 days
6.2
6.2

Vutuk Design and Media provides an integrated product engineering package that pairs strict plastic part design with premium commercial visualization. We are excited to submit our proposal for your Plastic Vacuum Piston Tube Cap design project. Our team leverages 15 years of experience to deliver robust, cost-effective consumer or industrial plastic products tailored for efficient high-volume injection molding. To help us refine our engineering and visual strategy, we would like to clarify: Would you like an internal structural Finite Element Analysis (FEA) report to verify that the plastic wall geometry won't buckle or collapse under peak negative pressure loads? Do you require a 3D exploded-view or assembly animation showing how the cap, piston, and sealing rings stack together for technical manuals or manufacturing line training? Do you need us to output rapid-prototyping files optimized for airtight printing across our multiple in-house FDM/SLA 3D printers so your team can perform immediate physical fitment checks? Are there specific branding assets, part numbers, or logo profiles that you would like our team to emboss or deboss directly into the plastic 3D model and final renders? We invite you to explore our profile and portfolio to view our past work in product visualization, 3D printing services, and mold-ready CAD designs. We look forward to collaborating with your team.
₹1,050 INR in 7 days
5.5
5.5

Hello, I’m a professional CAD designer with strong experience in Fusion 360, specializing in high-quality 3D models, 3D printing–ready designs, and precise technical/manufacturing drawings. I ensure: • Clean and accurate modeling • Proper tolerances for manufacturing & 3D printing • Fully detailed technical drawings (dimensions, sections, tolerances) • Fast delivery with clear communication I’ve worked on multiple CAD projects and always focus on accuracy, practicality, and client satisfaction. I’d be happy to discuss your project requirements and deliver exactly what you need. Best regards, Shahzaib a
₹1,000 INR in 1 day
3.0
3.0

Hi there ! As an experienced mechanical and product designer with a deep understanding of design for manufacturing and assembly, just the skill set you need for your Plastic Vacuum Piston Tube Cap project. By choosing my services, not only will you get meticulous design work using SolidWorks, Fusion 360 and other parametric software to deliver native files and STEP/IGES exports, but my expertise in injection molding, gate/runner suggestions, as well as minimal part count solutions will ensure your cap is cost-effective to produce while still highly functional. In addition to helping you transform your sketches into production-ready CAD models, I'll also provide much-needed perspective on recommended resins, seal materials, and even off-the-shelf valve components if they streamline the tooling process. As a lean design advocate, efficiency of manufacturing is always at the forefront of my designs. I'll make certain your cap has uniform wall thicknesses, accurate tolerances and offers a snug leak-free fit on common tube necks without unnecessary complexity. With my versatile availability (24/7), effective communication skills and an unyielding commitment to on-time delivery, I'm ready to collaborate with you closely on the timelines and iterations required for your project. Let's push this cap towards pilot production quickly without sacrificing quality or functionality. Choose me today and let's turn your idea into a marketable product! Thanks & regards Gaurav Sharma.....
₹1,000 INR in 1 day
2.0
2.0

Over my career, I've developed detailed knowledge and expertise in areas directly relevant to your project's requirements. From my understanding of consumer packaging and strong grasp of vacuum mechanisms, to designing solutions for high-volume injection molding using minimal part count, I'll be able to provide adept support across all project goals. You'll find that my manufacturing know-how is an asset as well—having a firm grasp on processes like CNC, laser cutting, plasma cutting, and 3D printing will help streamline production efficiency while ensuring quality output. Delivering a comprehensive package is important to me too; I guarantee 3D models (native + STEP files), an exploded view with BOM and materials call-outs, FEA or hand calculations ensuring product safety and manufacturing notes demonstrating compatibility. Should you choose me for this opportunity, I will go beyond meeting your expectations; I will contribute towards taking this cap design closer to pilot production with speed and precision. Let’s delve deeper into the details of your project so we can achieve that together
₹1,200 INR in 7 days
0.0
0.0

Creating a universal plastic cap that maximizes product recovery is an innovative and valuable concept. The challenge lies in ensuring a snug, leak-free fit while designing for efficient injection molding. With over 12 years of experience in product design and development, I have worked extensively with SolidWorks and Fusion 360 to create production-ready CAD models. My expertise includes optimizing designs for manufacturing, focusing on uniform wall thickness, draft angles, and minimal part counts to enhance scalability. I understand the importance of integrating a low-force button action that operates effectively without manual venting. Additionally, I can provide guidance on suitable resins and off-the-shelf components to streamline your prototyping process. To ensure we align our vision effectively, could you provide more details about your target tube dimensions once the core geometry is confirmed? This will help us lock down the design parameters before moving forward. Looking forward to collaborating on this exciting project!
₹1,500 INR in 7 days
0.0
0.0

Hello, I have experience in CAD based product development, injection molding focused design, mechanism integration, and manufacturable consumer product modeling. Your concept involves both mechanical functionality and DFM considerations, which is exactly where careful CAD development becomes important. I can help convert your sketches into a production ready cap design with integrated piston, vacuum chamber, sealing features, and low force button mechanism while minimizing part count for easier tooling and assembly. The design will include proper draft angles, wall thickness optimization, molding considerations, gate recommendations, and practical tolerances suitable for high volume plastic manufacturing. Deliverables can include native CAD files, STEP/IGES exports, exploded assemblies with BOM, manufacturing notes, and basic structural validation for piston and button loading. I can also suggest suitable resins, seal materials, and simplified valve solutions to reduce tooling complexity and improve reliability. Looking forward to discussing the geometry and prototype direction further.
₹1,050 INR in 7 days
0.0
0.0

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